Desk chronometer



FIG. 1 is a right, front isometric view of a desk chronometer showing our new design;

FIG. 2 is a top plan view thereof, the bottom being flat, plain and unornamented;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof, the rear being plain and unornamented. 

The ornamental design for a desk chronometer, as shown and described. 